Title:
DATA PROCESSING SYSTEM, AND DATA PROCESSING METHOD
Document Type and Number:
WIPO Patent Application WO/2001/093051
Kind Code:
A1
Abstract:
A data processing system and a data processing method control the feed of a clock in accordance with various processing instructions issued from an instruction issuer, and request a data transfer without finishing the data processing instruction if an underflow occurs in a first buffer memory, and process the data again at the end of the data transfer instruction. Therefore, the clock feed before finishing data transfer and data processing can be interrupted to reduce the power consumption. If the underflow occurs in the first buffer memory, on the other hand, the instruction issuer need not issue the data processing instruction again so that the number of instructions issued can be reduced.
Inventors:
OHASHI MASAHIRO (JP)
HASHIMOTO KOUKICHI (JP)
HASHIMOTO KOUKICHI (JP)
Application Number:
PCT/JP2001/004549
Publication Date:
December 06, 2001
Filing Date:
May 30, 2001
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD (JP)
OHASHI MASAHIRO (JP)
HASHIMOTO KOUKICHI (JP)
OHASHI MASAHIRO (JP)
HASHIMOTO KOUKICHI (JP)
International Classes:
G06F1/04; G06F1/32; G06F5/14; G06F13/12; H04N7/26; H04N7/50; (IPC1-7): G06F13/38; G06F5/06
Foreign References:
| EP0653888A2 | 1995-05-17 | |||
| JPH09307593A | 1997-11-28 | |||
| JPS6486224A | 1989-03-30 | |||
| JPS62145458A | 1987-06-29 |
Other References:
See also references of EP 1302858A4
Attorney, Agent or Firm:
Hayase, Kenichi (Nissay Shin-Osaka Bldg. 3-4-30 Miyahara Yodogawa-ku, Oska-shi Osaka, JP)
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